Richard Mark Bonnar is an actor. He is known for his roles as Max in "Guilt," Duncan Hunter in "Shetland," Bruno Jenkins in "Casualty," Detective Finney in "Psychoville," DCC Mike Dryden in "Line of Duty," Colin Osborne in "Unforgotten," Blackbeard in "Assassin's Creed IV: Black Flag," Townsend in "Battlefield 1," Field in "Summer of Rockets," and Stephen Burns, the Lord Advocate, in "Dept. Q."